Which reaction is an example of a displacement redox reaction?
- A$\mathrm{2Fe+3Cl_2\rightarrow2FeCl_3}$
- B$\mathrm{Cu+2AgNO_3\rightarrow2Ag+Cu(NO_3)_2}$
- C$\mathrm{2H_2+O_2\rightarrow2H_2O}$
- D$\mathrm{2KClO_3\rightarrow2KCl+3O_2}$
✓ Correct answer: B
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